Text-driven Adaptation of Foundation Models for Few-shot Surgical Workflow Analysis

• URL: http://arxiv.org/abs/2501.09555v2
• Date: Mon, 27 Jan 2025 16:28:21 GMT
• Title: Text-driven Adaptation of Foundation Models for Few-shot Surgical Workflow Analysis
• Authors: Tingxuan Chen, Kun Yuan, Vinkle Srivastav, Nassir Navab, Nicolas Padoy,
• Abstract summary: Surg-FTDA (Few-shot Text-driven Adaptation) is designed to handle various surgical workflow analysis tasks with minimal paired image-label data. First, Few-shot selection-based modality alignment selects a small subset of images and aligns their embeddings with text embeddings from the downstream task. Second, Text-driven adaptation leverages only text data to train a decoder, eliminating the need for paired image-text data.
• Score: 47.74467806074654
• License:
• Abstract: Purpose: Surgical workflow analysis is crucial for improving surgical efficiency and safety. However, previous studies rely heavily on large-scale annotated datasets, posing challenges in cost, scalability, and reliance on expert annotations. To address this, we propose Surg-FTDA (Few-shot Text-driven Adaptation), designed to handle various surgical workflow analysis tasks with minimal paired image-label data. Methods: Our approach has two key components. First, Few-shot selection-based modality alignment selects a small subset of images and aligns their embeddings with text embeddings from the downstream task, bridging the modality gap. Second, Text-driven adaptation leverages only text data to train a decoder, eliminating the need for paired image-text data. This decoder is then applied to aligned image embeddings, enabling image-related tasks without explicit image-text pairs. Results: We evaluate our approach to generative tasks (image captioning) and discriminative tasks (triplet recognition and phase recognition). Results show that Surg-FTDA outperforms baselines and generalizes well across downstream tasks. Conclusion: We propose a text-driven adaptation approach that mitigates the modality gap and handles multiple downstream tasks in surgical workflow analysis, with minimal reliance on large annotated datasets. The code and dataset will be released in https://github.com/CAMMA-public/Surg-FTDA

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